diff -r 562a27c89044 scripts/allanim.sh
--- a/scripts/allanim.sh	Mon Apr 13 14:05:24 2009 +0200
+++ b/scripts/allanim.sh	Wed Apr 15 19:47:13 2009 +0200
@@ -25,9 +25,9 @@
 
 # test mode
 #SCENE_DIR=.
 
-VERSION=3.6
+VERSION=3.7
 VER_DIR=povray-$VERSION
 DEFAULT_DIR=/usr/local
 SYSCONFDIR=$DEFAULT_DIR/etc
 
diff -r 562a27c89044 scripts/allscene.sh
--- a/scripts/allscene.sh	Mon Apr 13 14:05:24 2009 +0200
+++ b/scripts/allscene.sh	Wed Apr 15 19:47:13 2009 +0200
@@ -29,9 +29,9 @@
 
 # test mode
 #SCENE_DIR=.
 
-VERSION=3.6
+VERSION=3.7
 VER_DIR=povray-$VERSION
 DEFAULT_DIR=/usr/local
 SYSCONFDIR=$DEFAULT_DIR/etc
 
@@ -56,9 +56,9 @@
 case "$OPTIONS" in
   *log* | *LOG* | *Log* )
     DATE=`date`
     LOG_FILE="log.txt"
-    echo "log file for POV-Ray 3.6 sample scene render $DATE" > "$LOG_FILE"
+    echo "log file for POV-Ray 3.7 sample scene render $DATE" > "$LOG_FILE"
     ;;
   *all* | *ALL* | *All* )
     RENDER_ALL=--all
     ;;
diff -r 562a27c89044 scripts/portfolio.sh
--- a/scripts/portfolio.sh	Mon Apr 13 14:05:24 2009 +0200
+++ b/scripts/portfolio.sh	Wed Apr 15 19:47:13 2009 +0200
@@ -24,9 +24,9 @@
 
 # test mode
 #SCENE_DIR=.
 
-VERSION=3.6
+VERSION=3.7
 VER_DIR=povray-$VERSION
 DEFAULT_DIR=/usr/local
 SYSCONFDIR=$DEFAULT_DIR/etc
 
@@ -51,9 +51,9 @@
 case "$OPTIONS" in
   *log* | *LOG* | *Log* )
     DATE=`date`
     LOG_FILE="log.txt"
-    echo "log file for POV-Ray 3.6 sample scene render $DATE" > "$LOG_FILE"
+    echo "log file for POV-Ray 3.7 sample scene render $DATE" > "$LOG_FILE"
     ;;
 esac
 
 test "$1" = "-d" && SCENE_DIR="$2"
diff -r 562a27c89044 source/backend/parser/parse.cpp
--- a/source/backend/parser/parse.cpp	Mon Apr 13 14:05:24 2009 +0200
+++ b/source/backend/parser/parse.cpp	Wed Apr 15 19:47:13 2009 +0200
@@ -2689,9 +2689,9 @@
   END_EXPECT
 
   Parse_Object_Mods((ObjectPtr )Object);
 
-  Object->SetUp_Fractal(&sceneData->Fractal_Iteration_Stack_Length);
+  Object->SetUp_Fractal(&sceneData->Fractal_Iteration_Stack_Length,this);
 
   return((ObjectPtr)Object);
 }
 /*****************************************************************************
diff -r 562a27c89044 source/backend/shape/fractal.cpp
--- a/source/backend/shape/fractal.cpp	Mon Apr 13 14:05:24 2009 +0200
+++ b/source/backend/shape/fractal.cpp	Wed Apr 15 19:47:13 2009 +0200
@@ -103,8 +103,9 @@
 #include "backend/math/quatern.h"
 #include "backend/math/hcmplx.h"
 #include "backend/scene/threaddata.h"
 #include "base/pov_err.h"
+#include "backend/parser/parse.h"
 
 // this must be the last file included
 #include "base/povdebug.h"
 
@@ -820,9 +821,9 @@
 *   Dec 1994 : Creation.
 *
 ******************************************************************************/
 
-void Fractal::SetUp_Fractal(int *MaxIterStackLength)
+void Fractal::SetUp_Fractal(int *MaxIterStackLength, Parser *caller)
 {
   switch (Algebra)
   {
     case QUATERNION_TYPE:
@@ -909,9 +910,13 @@
       throw POV_EXCEPTION_STRING("Algebra unknown in fractal.");
   }
 
   if (Num_Iterations > *MaxIterStackLength)
+  {
     *MaxIterStackLength = Num_Iterations;
+    TraceThreadData* updated= caller->GetParserDataPtr();
+    Allocate_Iteration_Stack(updated->Fractal_IStack, Num_Iterations);
+    }
 
   Compute_BBox();
 }
 
diff -r 562a27c89044 source/backend/shape/fractal.h
--- a/source/backend/shape/fractal.h	Mon Apr 13 14:05:24 2009 +0200
+++ b/source/backend/shape/fractal.h	Wed Apr 15 19:47:13 2009 +0200
@@ -95,8 +95,9 @@
 
 namespace pov
 {
 
+class Parser;
 using namespace std;
 
 /*****************************************************************************
 * Global preprocessor defines
@@ -184,9 +185,9 @@
 
 		static void Free_Iteration_Stack(DBL **IStack);
 		static void Allocate_Iteration_Stack(DBL **IStack, int Len);
 
-		void SetUp_Fractal(int *MaxIterStackLength);
+		void SetUp_Fractal(int *MaxIterStackLength, Parser *caller);
 };
 
 /*****************************************************************************
 * Global variables
diff -r 562a27c89044 source/backend/shape/isosurf.cpp
--- a/source/backend/shape/isosurf.cpp	Mon Apr 13 14:05:24 2009 +0200
+++ b/source/backend/shape/isosurf.cpp	Wed Apr 15 19:47:13 2009 +0200
@@ -275,9 +275,15 @@
 		/*  METHOD 2   by R. Suzuki */
 		tmax = Depth2 = min(Depth2, BOUND_HUGE);
 		tmin = Depth1 = min(Depth2, Depth1);
 		if((tmax - tmin) < accuracy)
-			return (false);
+                {
+                   if (IFound==true) 
+                   {
+                      Depth_Stack->pop();
+                   }
+                   return (false);
+                }
 		Thread->Stats[Ray_IsoSurface_Tests]++;
 		if((Depth1 < accuracy) && (Thread->isosurfaceData->Inv3 == 1))
 		{
 			/* IPoint is on the isosurface */